Mild
Average highs are around 25°C, so days are mild rather than hot.
August verdict
Oshawa, Ontario, Canada in August
Weather score61Good
Good for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 82mm, so some wet days are possible.
August weather
Monthly averages
Temp
25°C
Rain
82mm
Sun
7.8h
Sea
21°C
Weather score
61
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 82mm, so some wet days are possible.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare Oshawa, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August25°C average high
August is one of Oshawa's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August82mm average rain
August is one of Oshawa's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to July, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.8 hours average sun
August is brighter than Oshawa's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August21°C average sea
August is one of Oshawa's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
August61 weather score
August scores above Oshawa's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
